Cardiac therapy has become ever more complex during the past quarter century. For example, 25 years ago, the therapy of cardiac failure was largely limited to digitalis, a very few diuretics, salt restriction, and general supportive measures. Antiarrhythmic therapy involved - in the main - quinidine, procainamide, and digitalis, and questions such as which arrhythmia to treat and how to measure drug efficacy had been addressed in elementary fashion only. Cardiac surgery was limited largely to congenital and valvular heart disease; the areas of cardiac pacemaker therapy, defibrillation and...
Cardiac therapy has become ever more complex during the past quarter century. For example, 25 years ago, the therapy of cardiac failure was largely li...
The human footprint on the global environment now touches every corner of the world. This book explores the myriad ways that environmental archives can be used to study the distribution and long-term trajectories of chemical contaminants. The volume first focuses on reviews that examine the integrity of the historic record, including factors related to hydrology, post-depositional diffusion, and mixing processes. This is followed by a series of chapters dealing with the diverse archives and methodologies available for long-term studies of environmental pollution, such as the use of sediments,...
The human footprint on the global environment now touches every corner of the world. This book explores the myriad ways that environmental archives ca...